ATE296268T1 - ALKALI-FREE ALUMINOBOROSILICATE GLASSES AND THEIR USES - Google Patents

ALKALI-FREE ALUMINOBOROSILICATE GLASSES AND THEIR USES

Info

Publication number
ATE296268T1
ATE296268T1 AT01128013T AT01128013T ATE296268T1 AT E296268 T1 ATE296268 T1 AT E296268T1 AT 01128013 T AT01128013 T AT 01128013T AT 01128013 T AT01128013 T AT 01128013T AT E296268 T1 ATE296268 T1 AT E296268T1
Authority
AT
Austria
Prior art keywords
less
sro
bao
alkali
free aluminoborosilicate
Prior art date
Application number
AT01128013T
Other languages
German (de)
Inventor
Ulrich Dr Peuchert
Original Assignee
Schott Ag
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Schott Ag filed Critical Schott Ag
Application granted granted Critical
Publication of ATE296268T1 publication Critical patent/ATE296268T1/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C3/00—Glass compositions
    • C03C3/04—Glass compositions containing silica
    • C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
    • C03C3/089—Glass compositions containing silica with 40% to 90% silica, by weight containing boron
    • C03C3/091—Glass compositions containing silica with 40% to 90% silica, by weight containing boron containing aluminium
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C3/00—Glass compositions
    • C03C3/04—Glass compositions containing silica
    • C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
    • C03C3/089—Glass compositions containing silica with 40% to 90% silica, by weight containing boron
    • C03C3/091—Glass compositions containing silica with 40% to 90% silica, by weight containing boron containing aluminium
    • C03C3/093—Glass compositions containing silica with 40% to 90% silica, by weight containing boron containing aluminium containing zinc or zirconium

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Glass Compositions (AREA)
  • Liquid Crystal (AREA)

Abstract

Alkali-free aluminoborosilicate glass comprises (in wt.%): more than 58-65 SiO2, more than 6-11.5 B2O3, more than 14-20 Al2O3, more than 3-6 MgO, more than 4.5-10 CaO, 0-1.5 SrO, more than 1.5-6 BaO, more than 3 SrO + BaO, and 0 to less than 2 ZnO. Preferred Features: The glass comprises (in wt.%): more than 58-65 SiO2, more than 6-11.5 B2O3, more than 14-20 Al2O3, more than 3-6 MgO, more than 4.5-10 CaO, 0 to less than 4 SrO, more than 2.5-6 BaO, more than 3 SrO + BaO, and 0-2.5 ZnO. The glass has a thermal expansion coefficient alpha 20/300 of 2.8 x 10<-6>/K to 3.9 x 10<-6>/K, a transformation temperature Tg of at least 690 degrees C, a density of less than 2600 g/cm<3>, an E-modulus of at least 74 Gpa, a refractive index of less than 1.54 and an acid resistance of less than 0.7 mg/cm<2>.
AT01128013T 2000-12-22 2001-11-24 ALKALI-FREE ALUMINOBOROSILICATE GLASSES AND THEIR USES ATE296268T1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE10064804A DE10064804C2 (en) 2000-12-22 2000-12-22 Alkali-free aluminoborosilicate glasses and their use

Publications (1)

Publication Number Publication Date
ATE296268T1 true ATE296268T1 (en) 2005-06-15

Family

ID=7668826

Family Applications (1)

Application Number Title Priority Date Filing Date
AT01128013T ATE296268T1 (en) 2000-12-22 2001-11-24 ALKALI-FREE ALUMINOBOROSILICATE GLASSES AND THEIR USES

Country Status (6)

Country Link
US (2) US6858552B2 (en)
EP (1) EP1219573B1 (en)
JP (1) JP2002234752A (en)
AT (1) ATE296268T1 (en)
CA (1) CA2365006A1 (en)
DE (2) DE10064804C2 (en)

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KR101549168B1 (en) 2011-09-02 2015-09-01 주식회사 엘지화학 Alkali-free glass and method for manufacturing the same
JP6202297B2 (en) * 2011-12-29 2017-09-27 日本電気硝子株式会社 Alkali-free glass
KR20140133582A (en) * 2012-02-22 2014-11-19 쓰리엠 이노베이티브 프로퍼티즈 컴파니 Microsphere articles and transfer articles
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CN107108333B (en) * 2015-01-20 2021-09-21 肖特玻璃科技(苏州)有限公司 Low CTE glass with high UV transmission and lightfastness
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JP7044064B2 (en) * 2016-08-05 2022-03-30 Ａｇｃ株式会社 Alkaline-free glass substrate, laminated substrate, and manufacturing method of glass substrate
CN112441743A (en) * 2020-11-26 2021-03-05 河南旭阳光电科技有限公司 Alkali-free glass composition, alkali-free glass, preparation method and application

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Also Published As

Publication number Publication date
DE10064804C2 (en) 2003-03-20
EP1219573A1 (en) 2002-07-03
DE50106305D1 (en) 2005-06-30
US7153797B2 (en) 2006-12-26
US20020183188A1 (en) 2002-12-05
US20040220039A1 (en) 2004-11-04
CA2365006A1 (en) 2002-06-22
DE10064804A1 (en) 2002-07-11
US6858552B2 (en) 2005-02-22
EP1219573B1 (en) 2005-05-25
JP2002234752A (en) 2002-08-23

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